📱 HEIC🚀 AVIF

Convert HEIC to AVIF Online — Free & Private

Transform your HEIC files to AVIF format instantly. Linku's browser-based converter processes everything locally — your images never leave your device. No registration required.

Files never leave your deviceNo registration required100% free, unlimited use

Drag & drop your HEIC files here

or click to browse — multiple files supported

Why Convert HEIC to AVIF?

Converting HEIC to AVIF lets you take advantage of AVIF's strengths: av1 image file format — next-gen format with up to 50% smaller files than jpeg at equal quality. This is useful when HEIC's characteristics — high efficiency image container — apple's default photo format since ios 11, excellent quality at half the file size of jpg. — don't match your current needs.

Need the opposite? Convert AVIF to HEIC

Features of Our HEIC to AVIF Converter

Convert HEIC to AVIF instantly in your browser — no file uploads to any server
100% private: your images are processed locally and never leave your device
Batch convert multiple files at once with parallel processing
Adjustable quality slider to balance file size and visual quality
Works on all modern browsers — desktop, tablet, and mobile
No registration, no watermarks, no hidden fees — completely free
Resize while converting: set custom dimensions or target file size
Optimized for Google PageSpeed Insights — improve your Core Web Vitals score
Drag and drop HEIC photos directly from your iPhone or file manager

Understanding HEIC vs AVIF

📱 HEIC

HEIC (High Efficiency Image Container) is Apple's default photo format on iPhones and iPads since iOS 11. It uses the HEVC (H.265) codec to deliver roughly 50% smaller files than JPEG at equal quality. While HEIC is excellent for storage efficiency, it isn't universally supported outside Apple's ecosystem — Windows, Android, and most web browsers require conversion to JPG or PNG for compatibility.

Best for: iPhone/iPad photos, Apple ecosystem, storage-efficient photography.

🚀 AVIF

AVIF is the newest mainstream image format, based on the AV1 video codec. It delivers dramatically better compression than both JPEG and WebP — often 50% smaller files with no visible quality loss. AVIF supports HDR, wide color gamut, transparency, and animation. Browser support reached 95%+ in 2025, making AVIF the performance leader for web images in 2026.

Best for: High-performance websites, next-gen web optimization, HDR photography, replacing WebP for even better compression.

How to Convert HEIC to AVIF — Step by Step

1

Open the converter

Visit this page at www.linku.in in any browser — Chrome, Firefox, Safari, Edge, or mobile.

2

Drop your HEIC files

Drag and drop your HEIC images onto the upload area, or click to browse your files. You can add multiple files for batch conversion.

3

Adjust settings

Use the quality slider to balance file size vs quality. Optionally set target dimensions (e.g., 800×600 px) or target file size (e.g., 200KB) before converting.

4

Convert & download

Click "Convert Now" to process. Everything runs locally in your browser — no server uploads. Download your AVIF files individually or all at once.

HEIC to AVIF — Frequently Asked Questions

How do I convert HEIC to AVIF online?
Drop your HEIC file onto the converter above (or click to browse). Adjust quality and resize settings if needed, then click "Convert Now." Your AVIF file will be ready for download in seconds — all processing happens in your browser.
Is it safe to convert HEIC to AVIF on Linku?
Yes — Linku processes everything locally in your browser. Your files are never uploaded to any server. No data leaves your device, making this the most private HEIC to AVIF converter available.
What is the difference between HEIC and AVIF?
HEIC (High Efficiency Image Container) is Apple's default photo format on iPhones and iPads since iOS 11. It uses the HEVC (H.265) codec to deliver roughly 50% smaller files than JPEG at equal quality. While HEIC is excellent for storage efficiency, it isn't universally supported outside Apple's ecosystem — Windows, Android, and most web browsers require conversion to JPG or PNG for compatibility. In contrast, avif is the newest mainstream image format, based on the av1 video codec. it delivers dramatically better compression than both jpeg and webp — often 50% smaller files with no visible quality loss. avif supports hdr, wide color gamut, transparency, and animation. browser support reached 95%+ in 2025, making avif the performance leader for web images in 2026.
Can I convert multiple HEIC files to AVIF at once?
Yes. Linku supports batch conversion — drop multiple HEIC files and convert them all to AVIF simultaneously. Download each file individually or use the "Download all" button.
Will I lose quality converting HEIC to AVIF?
Our converter uses optimized settings to preserve maximum quality. Use the quality slider to fine-tune the balance between file size and visual fidelity — at 90%+ quality, differences are imperceptible to the human eye.
Can I resize my HEIC image while converting to AVIF?
Yes. Before converting, choose "By Dimensions" to set exact pixel width and height, or "By File Size" to target a specific size like 200KB, 500KB, or 2MB. The resize happens during conversion in a single step.

Need to resize without changing format?

Our resize tool keeps your original format — set exact dimensions or target file size.

Open Resize Tool →